[flang-commits] [flang] [flang][acc] Ensure fir.class is handled in type categorization (PR #146174)

[Razvan Lupusoru via flang-commits]

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@@ -320,8 +320,13 @@ template <>
 mlir::acc::VariableTypeCategory
 OpenACCMappableModel<fir::BaseBoxType>::getTypeCategory(mlir::Type type,
                                                         mlir::Value var) const {
+  // Class-type does not behave like a normal box because it does not hold an
+  // element type. Thus special handle it here.
+  if (mlir::isa<fir::ClassType>(type))
+    return mlir::acc::VariableTypeCategory::composite;
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razvanlupusoru wrote:

Done. I am currently categorizing it as "uncategorized". Although the OpenACC spec does not discuss unlimited polymorphic or assumed type - the language semantics should apply. Namely, the type should be appropriately selected for the categorization to work.

https://github.com/llvm/llvm-project/pull/146174